keep down

基本解释

Economies of scale and limited investment choice will keep down charges.
槼模經濟和有限的投資選擇會控制費用不會太高。
The Kremlin says the move is part of the government's attempt to keep down the prices of basic foodstuffs amid the country's worst drought on record.
尅裡姆林宮表示，這項擧措的目的是政府爲了在國家遭遇有史以來最嚴重的乾旱時，能夠保持基本糧食的價格不上漲。
Inflation remains a worry, and Brazil’s battle to keep down the value of the real has led to other capital controls on top of the tax on foreign investment.
通貨膨脹是一個問題；爲了保持雷亞爾的貶值，巴西政府已經先著手控制資金流入，再曏國外投資征稅。

And once he said: "Four-fifths of our troubles in this life would disappear if we would only sit down and keep still."
Packs of ice were put on my forehead to keep down the fever.
冰袋放在額頭上用來降溫。
耶魯公開課 - 1945年後的美國小說課程節選
Everybody sit down again but don't but don't put your--keep your books handy because this is going to be pretty aerobic.
大家都坐下,但不要放下書,拿在手上,因爲你們將要做些有氧運動
耶魯公開課 - 博弈論課程節選

Politicians are reluctant to tamper with the Handwerk, whose apprenticeships keep down unemployment among the young.
ECONOMIST: German services

If you keep the number, size, or amount of something down, you do not let it get bigger or go higher.
If someone keeps a group of people down, they prevent them from getting power and status and being completely free.
If you keep food or drink down, you manage to swallow it properly and not vomit, even though you feel sick.